keystone

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Meanwhile, the president is "the keystone of the institution", leading the armed forces and having the power to dissolve the Assembly, Diallo said.

From Barron's • Jun. 2, 2026

"We are committed to working with local people to minimise the risk of effects from beavers on other land uses, while enabling beavers to resume their place as a keystone species in our ecosystem."

From BBC • Apr. 21, 2026

Proponents hailed lions as a keystone species that enhances biodiversity and pointed out the affection they generate — from Los Angeles’ late, famed P-22 to the lion that recently strolled through San Francisco.

From Los Angeles Times • Feb. 12, 2026

Last year, some 1,000 U.S. troops withdrew from neighboring Niger, ending a nearly decadelong partnership that was the keystone of U.S. counterterrorism operations in the region.

From The Wall Street Journal • Nov. 2, 2025

We walked under a stone archway slouched on its keystone and standing by itself, without a wall on either side.

From "The Many Assassinations of Samir, the Seller of Dreams" by Daniel Nayeri